DELTA 1 R/B
| Launched | 6 March 1962 |
| Flight ended | 2 May 1970 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 257 |
| COSPAR ID | 1962-006B |
| Observing |
Launched alongside
OSO 1DELTA 1 R/B
| Launched | 6 March 1962 |
| Flight ended | 2 May 1970 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 257 |
| COSPAR ID | 1962-006B |
| Observing |
Launched alongside
OSO 1